AnsPress_Tag::ap_question_form_fields( array $form )

	public static function ap_question_form_fields( $form ) {
		$editing_id = ap_sanitize_unslash( 'id', 'r' );

		$form['fields']['tags'] = array(
			'label'     => __( 'Tags', 'anspress-question-answer' ),
			'desc' 		  => sprintf(
				// Translators: %1$d contain minimum tags required and %2$d contain maximum tags allowed.
				__( 'Tagging will helps others to easily find your question. Minimum %1$d and maximum %2$d tags.', 'anspress-question-answer' ),
				ap_opt( 'min_tags' ),
				ap_opt( 'max_tags' )
			),
			'type'      => 'tags',
			'array_max' => ap_opt( 'max_tags' ),
			'array_min' => ap_opt( 'min_tags' ),
			'js_options' => array(
				'create' => true,
			),
		);

		// Add value when editing post.
		if ( ! empty( $editing_id ) ) {
			$tags = get_the_terms( $editing_id, 'question_tag' );
			if ( $tags ) {
				$tags = wp_list_pluck( $tags, 'term_id' );
				$form['fields']['tags']['value'] = $tags;
			}
		}

		return $form;
	}